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horrorfan [7]
3 years ago
13

You have two cards with a sum of (-12) in your hands. what two cards could you have?

Mathematics
1 answer:
Readme [11.4K]3 years ago
4 0
Your two cards could be a negative six and a positive two.
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- 16m’n-(-25m’n)+(-7m’n)Which of the following is equivalent to the expression above?
Westkost [7]

As a rule , - times - = + and - times + = -

\begin{gathered} -16m^2n-(-25m^2n)+(-7m^2n\text{ ) } \\ =-16m^2n+25m^2n-7m^2n\text{  ( based on the rule above )} \\ =+9m^2n-7m^2n\text{    ( -16 + 25 = + 9 )} \\ =+2m^2n \end{gathered}

Therefore the correct answer to the question is 2m squared n

5 0
1 year ago
I need an answer what is 1.03 ÷ (-10.3)=?
Sloan [31]
The answer is - \frac{1}{10}
To figure this out,  convert both numbers to fractions. 1.03 = 1\frac{3}{100} and (-10.3) = -10\frac{3}{10}. Now, convert to improper fractions. 
 1\frac{3}{100}  = [tex] \frac{103}{100}
-10\frac{3}{10} = - \frac{103}{10}
Now, divide. Dividing fractions is the same as multiplying by the reciporical. So:
-\frac{103}{10}  \ becomes\  \frac{10}{103}
\frac{103}{100} *- \frac{10}{103} =  -\frac{1030}{10300} = - \frac{1}{10}
5 0
3 years ago
A = b and c = d, then a x c = b x d<br> what kind of reasong is used here
Phoenix [80]
A = b is given to us

Multiply both sides by c to get
a = b
a*c = b*c
The rule to multiply both sides by c is the multiplicative property of equality

Then on the right side, replace c with d. This replacement is possible due to the fact that c = d. This is using the substitution property.

So we go from
a*c = b*c
to this
a*c = b*d
5 0
3 years ago
ANSWER NUMBER 11 PLZ AND ILL MARK YOU BRAINLIEST !!!
Yakvenalex [24]

Answer:

11

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
А<br> E<br> с<br> D<br> В<br> If mZACD = 100°, then mZECB = [?]°
11111nata11111 [884]

Answer:

100

Step-by-step explanation:

they are vertical angles therefore, they have the same measure.

4 0
3 years ago
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